package day07;

import java.util.Scanner;

public class CalAirPrice {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入原价：");
        double price = scan.nextDouble();
        System.out.println("请输入月份：");
        int month = scan.nextInt();
        System.out.println("请选择舱位：1.头等舱 2.商务舱 3.经济舱");
        int type = scan.nextInt();
        double finalPrice = calAirPrice(price,month,type);
        if(finalPrice!=-1) {
            System.out.println("机票的最终价格为：" + finalPrice);
        }

    }
    public static double calAirPrice(double price,int month,int type){
        double finalPrice = 0.0;
        if(price<0){
            System.out.println("原价输出错误");
            return -1;//终止方法，返回值给finalPrice
        }
        if(month<0||month>12){
            System.out.println("月份输入错误");
            return -1;
        }
        if(type<1||type>3){
            System.out.println("舱位选择错误");
            return -1;
        }
        if(month>=5||month<=10){
            switch (type){
                case 1:finalPrice = price*0.9;
                break;
                case 2:finalPrice = price*0.85;
                break;
                case 3:finalPrice = price*0.8;
                break;
            }
        }else {
            switch (type){
                case 1:finalPrice = price*0.8;
                    break;
                case 2:finalPrice = price*0.75;
                    break;
                case 3:finalPrice = price*0.6;
                    break;
            }
        }
        return finalPrice;
    }
}
